Turn any photo into a dot grid artwork with these Photoshop actions. You'll get great results with dots that change size. They get larger in brighter areas and smaller in darker areas. Free download available.
Watch this video to learn how to emphasize freckles and add a dim moody effect in Photoshop. It's a great tutorial for beginners and will teach you some unique techniques such as how to use the Channel Mixer adjustment layer to bring out freckles, create a dim warm effect with a single Curves adjustment layer, and add a subtle spotlight effect with a Gradient fill layer.